On the periodic table: The horizontal rows are called ____________ The vertical columns are called ___________ Identify elements by their properties and.

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Presentation on theme: "On the periodic table: The horizontal rows are called ____________ The vertical columns are called ___________ Identify elements by their properties and."— Presentation transcript:

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On the periodic table: The horizontal rows are called ____________ The vertical columns are called ___________ Identify elements by their properties and placement on the periodic table.

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Atoms like to have a filled outer shell of electrons. Sometimes, by transferring electrons from one atom to another, electron shells are filled. The atom that gives away an electron will take a positive charge, and the receiving atom will have a negative charge. The charged atoms or ions will be attracted to each other, and form bonds.

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Some atoms like to share electrons to complete their outer shell. Like this oxygen atom. It needs 2 electrons to follow the 2/8/8 rule. In this case to make water, you would need 2 hydrogen atoms. By sharing electrons the hydrogen atom is also able to complete it’s electron shell. Hydrogen bonds are primarily covalent bonds and a regular covalent bond is very strong. Oxygen

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On the Inside BY YOURSELF complete BOTH sides of the “On the Inside” worksheet. You do NOT have to draw the Oxygen Atom GO ON

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___Ductile ___Malleable Able to be pulled into a long wire c d Able to be hammered or rolled into a shape ___Brittleg Easily broken and is not able to be molded or shaped ___ Conductor of electricity k Allows electricity to flow freely

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___ high boiling point ___ High melting point Boils at a high temp. so is usually a liquid at room temperature h j Melts at high temp. so is usually a solid at room temperature ___ Semiconductor f Will carry electricity only under certain conditions ___Opaque a Not clear or transparent

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___Density ___Reactive b e Will quickly & easily combine with other elements D=M÷V, determines is it will sink or float